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Institute for Energy and Environmental Research
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IFEU was commissioned by the German Biofuel Association (LAB) to evaluate the life-cycle energy balances and greenhouse gas emissions of selected bioenergy paths from cereals and sugar beet including various combinations of biofuel and bioenergy production. The main goal of the study was to analyse which of the selected bioenergy paths represented the "optimal" land use in terms of savings of fossil energy carriers and mitigation of greenhouse gas emissions. Apart from that, land use effects caused by the co-products from bioethanol production were evaluated. The results show that bioenergy paths comprising such co-products with land-use impacts can – given certain boundary conditions – lead to significantly higher savings of fossil energy carriers and mitigation of greenhouse gas emissions than calculated up to now.
